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Date: Thu, 2 Jul 2015 09:21:21 +0800
From: Fam Zheng <famz@redhat.com>
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Subject: Re: [Qemu-devel] virtio-blk multiqueue support in qemu.
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To: Naredula Janardhana Reddy <naredula.jana@gmail.com>
Cc: qemu-devel@nongnu.org, Stefan Hajnoczi <stefanha@redhat.com>

On Wed, 07/01 22:45, Naredula Janardhana Reddy wrote:
> HI,
>      I am trying to improve the throughput of  virtio-blk for my kernel (
> https://github.com/naredula-jana/Jiny-Kernel  )  to make use of the
> multi-core using multi-queue. But I found the latest qemu  does not support
> multiqueue for virtio-blk, The feature flag does not return multi-queue
> support. Do we have any patches to the qemu for enabling multi-queue for
> virtio-blk similar to that of virtio-net.  Can someone help some pointers
> related to this..

There was a series last year adding support for multi-queue but wan't merged to
the code base:

http://comments.gmane.org/gmane.comp.emulators.qemu/289126

Fam